This Katana is a work by Gassan Sadakatsu, made in March 1937, following the Yamato Hosho Sadamune tradition. It features an excellently forged masame-hada with ji-nie and a midare-komi boshi, showcasing sunagashi and kinsuji activities. The blade is healthy with a deep curvature and extended kissaki, accompanied by an NBTHK Tokubetsu Hozon Token certificate.
Certificate reading — 銘 大和保昌貞宗伝吉野山日本刀月山精錬作(貞勝) 昭和十二年三月吉日
NihontoWatchBETAmei · Gassan · Showa (1926-1989) · nagasa 67.6cm · sori 2.2cm
Shinshinto · Osaka · around 1926-1989
Fujishiro Jo saku · Tōken Taikan top 60%
13 pieces on the market now
Shinshinto · Settsu
40 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sadaharu貞晴 | 1865-1868 | 0 |
| Sadayoshi貞吉 | 1926-1989 | 0 |
| Yoshiaki吉明 | 1844-1848 | 0 |
| Naonobu直信 | 1854-1860 | 0 |
| Sadayoshi貞吉 | 1830-1863 | 0 |
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteIf you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.
This Katana is a work by Gassan Sadakatsu, made in March 1937, following the Yamato Hosho Sadamune tradition. It features an excellently forged masame-hada with ji-nie and a midare-komi boshi, showcasing sunagashi and kinsuji activities. The blade is healthy with a deep curvature and extended kissaki, accompanied by an NBTHK Tokubetsu Hozon Token certificate.
Certificate reading — 銘 大和保昌貞宗伝吉野山日本刀月山精錬作(貞勝) 昭和十二年三月吉日
NihontoWatchBETAmei · Gassan · Showa (1926-1989) · nagasa 67.6cm · sori 2.2cm
Shinshinto · Osaka · around 1926-1989
Fujishiro Jo saku · Tōken Taikan top 60%
13 pieces on the market now
Shinshinto · Settsu
40 pieces on the market now
| Smith | Era | Designated |
|---|---|---|
| Sadaharu貞晴 | 1865-1868 | 0 |
| Sadayoshi貞吉 | 1926-1989 | 0 |
| Yoshiaki吉明 | 1844-1848 | 0 |
| Naonobu直信 | 1854-1860 | 0 |
| Sadayoshi貞吉 | 1830-1863 | 0 |
A Hozon-certified blade judged to show notably superior workmanship and a better state of preservation. The bar is higher: re-tempered blades and most unsigned Muromachi/Edo works are excluded.
The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.
NBTHK official siteIf you wish to return an item, please notify us within 3 days of receipt. After this period we cannot accept cancellations. Please ship the return to us within 5 business days. Cancellation is conditional on the item being kept in the same condition as at the time of sale, so please handle it with care.
![Tanto - Hozon - by Gassan Sadayoshi - Fuyou Asahi, Ansei Hebidoshi 8gatsuhi (Attributed to Gassan Sadayoshi) [NBTHK Hozon]](/_next/image?url=https%3A%2F%2Fitbhfhyptogxcjbjfzwx.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Flisting-images%2Ftoyuukai%2FL519985%2F02.jpg&w=2560&q=90)
